CN110940383A

CN110940383A - Switchable flow calibration device

Info

Publication number: CN110940383A
Application number: CN201911350574.0A
Authority: CN
Inventors: 曹美晨
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-03-31

Abstract

The invention discloses a switchable flow calibration device which comprises an S-shaped pipe, a flow divider and a rotating body, wherein a connector is installed at the top end of the rotating body, a water inlet is formed in the top end of the connector, a guide hole is formed in the bottom end of the interior of the rotating body, a sliding groove is formed in the outer side of the rotating body, a pointer is installed on the outer side of the rotating body, an annular support is arranged in the sliding groove, the flow divider is installed at the bottom end of the annular support, and a second water drainage hole is formed in one end of the interior of the flow divider. According to the invention, through the mutual matching use of the flow dividing body, the rotating body, the second water outlet and the guide hole, when the flow speed of the fluid flowing into the device needs to be regulated, the size of the mutually communicated pore diameter between the guide hole and the second water outlet can be regulated through rotating the rotating body, so that the passing pore diameter of the fluid flowing into the device can be regulated, the flow of the fluid is regulated, and the device is simple and practical.

Description

Switchable flow calibration device

Technical Field

The invention relates to the technical field of flow calibration, in particular to a switchable flow calibration device.

Background

The flow rate is a quantity of fluid passing through a certain cross-sectional area per unit time, and the measurement of the flow rate of fluid flowing per unit time is generally called flow rate measurement, and the flow meters are classified into a rotameter, a throttle type flow meter, a slit flow meter, a volumetric flow meter, and the like.

The existing flow calibration device is simple in design structure, so that the flow calibration device can only monitor the flow of fluid with stable flow, when the fluid in the device flows unevenly, the monitoring accuracy of the flow calibration device on the flow of the fluid cannot be guaranteed, the actual using effect of the device is poor, the traditional flow calibration device cannot adjust the size of the flow of the fluid passing through the inside of a pipeline when in use, the using effect of the device is single, and the improvement is still needed.

Disclosure of Invention

The present invention is directed to a switchable flow calibration device to solve the problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a switchable flow calibration device comprises an S-shaped pipe, a flow dividing body and a rotating body, wherein a connecting port is installed at the top end of the rotating body, a water inlet is formed in the top end of the connecting port, a guide hole is formed in the bottom end of the inside of the rotating body, a sliding chute is formed in the outer side of the rotating body, a pointer is installed on the outer side of the rotating body, an annular support is arranged inside the sliding chute, the flow dividing body is installed at the bottom end of the annular support, a second water drainage hole is formed in one end of the inside of the flow dividing body, a first water drainage hole is formed in one end of the inside of the flow dividing body, which is far away from the second water drainage hole, a water drainage port is formed in the flow dividing body at the bottom end of the first water drainage hole, a plug is arranged inside the water drainage port, the S, the bottom of the movable plunger is provided with a spring, one end of the spring, far away from the movable plunger, is connected with the one-way valve body, one end of the S-shaped pipe, far away from the flow dividing body, is provided with a water outlet, the outer side of one end of the S-shaped pipe, close to the water outlet, is provided with a flow recording device, and the input end of the flow recording device extends to the inside of the S-shaped pipe.

Preferably, the outer side of the top end of the connecting port and the outer side of the bottom end of the water outlet are both provided with mounting threads.

Preferably, the top end of the outer side of the rotating body is uniformly provided with anti-skid particles.

Preferably, the cross-sectional shape of the second drainage hole is an arc, and one end of the arc is gradually enlarged toward the other end.

Preferably, the bottom ends of the outer sides of the movable plungers are all provided with sealing rings.

Preferably, a dial is mounted on the outer side of the annular bracket.

Compared with the prior art, the invention has the beneficial effects that: the switchable flow calibration device is used by matching the flow dividing body, the rotating body, the second drainage hole and the guide hole, when the flow rate of fluid flowing into the device is required to be regulated, the rotating body can be rotated to regulate the mutually communicated pore size between the guide hole and the second drainage hole, so that the passing pore size of the fluid flowing into the device can be regulated, the flow of the fluid is regulated, the switchable flow calibration device is simple and practical, the flow rate of the fluid flowing into the S-shaped pipe can be limited by matching the S-shaped pipe and the one-way valve body, the regulation of the flow rate inside the device is realized, the flow rate inside the device is mild, the influence of flow rate fluctuation on the test result of the flow recorder is reduced, the accuracy of the device in use is improved, the first drainage hole and the second drainage hole are matched, when the pressure generated by the fluid flowing inside the device is overlarge, can be through rotatory rotator for the upper portion of first outlet of guiding hole alignment, and open the stopper, thereby can carry out the earial drainage to the inside fluid of device, prevent that the inside pressure of device is too big, destroy the production of device, security when having improved the device and using, also accessible is external trachea in the outside of outlet simultaneously, makes the device can be applicable to gas flow's monitoring, and the suitability of device obtains improving.

Drawings

FIG. 1 is a schematic front cross-sectional view of the present invention;

FIG. 2 is a schematic illustration of the testing of the present invention;

fig. 3 is a schematic top view of a second weep hole of the present invention.

In the figure: 1. a connecting port; 2. a water inlet; 3. a chute; 4. a dial scale; 5. a first drain hole; 6. a water discharge opening; 7. a plug; 8. a flow recorder; 9. a water outlet; 10. a spring; 11. a seal ring; 12. a movable plunger; 13. a check valve body; 14. an S-shaped pipe; 15. a second drain hole; 16. a flow divider; 17. a guide hole; 18. an annular support; 19. a pointer; 20. a rotating body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of the present invention is shown: a switchable flow calibration device comprises an S-shaped pipe 14, a flow dividing body 16 and a rotating body 20, wherein a connecting port 1 is installed at the top end of the rotating body 20, a water inlet 2 is formed in the top end of the connecting port 1, a guide hole 17 is formed in the bottom end of the rotating body 20, a sliding chute 3 is formed in the outer side of the rotating body 20, a pointer 19 is installed on the outer side of the rotating body 20, an annular support 18 is arranged in the sliding chute 3, the flow dividing body 16 is installed at the bottom end of the annular support 18, a second drainage hole 15 is formed in one end of the flow dividing body 16, a first drainage hole 5 is formed in one end, far away from the second drainage hole 15, of the flow dividing body 16, a drainage opening 6 is formed in the flow dividing body 16 at the bottom end of the first drainage hole 5, a plug 7 is arranged in the drainage opening 6, the S-shaped pipe 14 is arranged at the, the bottom of movable plunger 12 all installs spring 10, and the one end that spring 10 kept away from movable plunger 12 all is connected with check valve 13, and delivery port 9 has been seted up to the one end that S type pipe 14 kept away from split fluid 16, and the flow ware 8 is write in to the flow is installed to the outside that S type pipe 14 is close to delivery port 9 one end, and the model of this flow ware 8 can be ZXGYU, and the input of flow ware 8 extends to the inside of S type pipe 14.

In this implementation: the outside on connector 1 top and the outside of 9 bottoms of delivery ports all are provided with the installation screw thread, can facilitate the installation of device, the top in the rotator 20 outside evenly is provided with anti-skidding granule, facilitate the use of device, the cross sectional shape of second outlet 15 is the arc, and curved one end enlarges gradually to the other end, can effectively realize the regulation of second outlet 15 intercommunication size, make the regulation in intercommunication aperture gentler, sealing ring 11 is all installed to the bottom in the movable plunger 12 outside, prevent the inside fluid backward flow of device, increase the security when device uses, calibrated scale 4 is installed in the outside of ring carrier 18, accuracy when can improving the device and use.

The working principle is as follows: firstly, the device is installed at a place needing flow calibration through installation threads on the outer sides of a connecting port 1 and a water outlet 9, at the moment, fluid flows into the device through a water inlet 2, flows into the inside of a rotating body 20 through the connecting port 1, flows into the inside of a second drainage hole 15 through a guide hole 17, sequentially passes through the insides of an S-shaped pipe 14 and two sets of one-way valve bodies 13, and finally flows out of the device through the water outlet 9, when the fluid needs to be controlled on the flow flowing inside the device in the process of flowing inside the device, the rotating body 20 can be held and rotated, at the moment, a pointer 19 slides on the outer side of a dial 4, a user can calculate the position of the guide hole 17 at the top end of a shunting body 16 according to the scale change of the pointer 19 on the dial 4, so that the size of the communication aperture between the guide hole 17 and the top end of the second, the device is prevented from being damaged by the excessive total amount of fluid flowing into the device, when the flow of the fluid in the device is excessive, the rotating body 20 can be continuously rotated to enable the guide hole 17 to be aligned to the position of the first drainage hole 5, then the plug 7 is opened to enable the fluid to flow out of the device through the drainage hole 6, the safety of the device in use is improved, the fluid which is subjected to flow limitation through the second drainage hole 15 can enter the inside of the S-shaped pipe 14, when the fluid meets the one-way valve body 13, the movable plunger 12 in the one-way valve body 13 can be pushed open and continuously flows through the movable plunger 12, at the moment, the flow rate of the fluid in the S-shaped pipe 14 can be limited by using the two groups of one-way valve bodies 13, meanwhile, due to the S-shaped design of the S-shaped pipe 14, the flow rate of the fluid can be effectively reduced, the two speed reduction methods are combined to be used, the flow velocity is stable, the flow recorder 8 is convenient to measure, and the measuring accuracy is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A switchable flow calibration device comprising an S-tube (14), a splitter (16) and a rotator (20), characterized in that: the water distribution device is characterized in that a connecting port (1) is installed at the top end of the rotating body (20), a water inlet (2) is formed in the top end of the connecting port (1), a guide hole (17) is formed in the bottom end of the interior of the rotating body (20), a sliding groove (3) is formed in the outer side of the rotating body (20), a pointer (19) is installed on the outer side of the rotating body (20), an annular support (18) is arranged in the sliding groove (3), a flow distribution body (16) is installed at the bottom end of the annular support (18), a second drainage hole (15) is formed in one end of the interior of the flow distribution body (16), a first drainage hole (5) is formed in one end, far away from the second drainage hole (15), of the interior of the flow distribution body (16) at the bottom end of the first drainage hole (5), a drainage opening (6) is formed, s type pipe (14) are installed to the bottom of reposition of redundant personnel (16), the inside of S type pipe (14) is provided with two sets of check valve body (13), the inside of check valve body (13) all is provided with movable plunger (12), spring (10) are all installed to the bottom of movable plunger (12), and spring (10) keep away from the one end of movable plunger (12) all be connected with check valve body (13), delivery port (9) have been seted up to the one end that reposition of redundant personnel (16) were kept away from in S type pipe (14), flow meter ware (8) are installed in the outside that S type pipe (14) are close to delivery port (9) one end, and the input of flow meter ware (8) extends to the inside of S type pipe (14).

2. The switchable flow calibration device of claim 1, wherein: and mounting threads are arranged on the outer side of the top end of the connecting port (1) and the outer side of the bottom end of the water outlet (9).

3. The switchable flow calibration device of claim 1, wherein: the top end of the outer side of the rotating body (20) is uniformly provided with anti-skid particles.

4. The switchable flow calibration device of claim 1, wherein: the cross section of the second water drainage hole (15) is arc-shaped, and one end of the arc-shaped water drainage hole is gradually enlarged towards the other end.

5. The switchable flow calibration device of claim 1, wherein: and sealing rings (11) are arranged at the bottom ends of the outer sides of the movable plungers (12).

6. The switchable flow calibration device of claim 1, wherein: and a dial (4) is arranged on the outer side of the annular bracket (18).